CN114276873B - Preparation method of optical resin lens mold cleaning agent - Google Patents
Preparation method of optical resin lens mold cleaning agent Download PDFInfo
- Publication number
- CN114276873B CN114276873B CN202111606182.3A CN202111606182A CN114276873B CN 114276873 B CN114276873 B CN 114276873B CN 202111606182 A CN202111606182 A CN 202111606182A CN 114276873 B CN114276873 B CN 114276873B
- Authority
- CN
- China
- Prior art keywords
- cleaning agent
- stirring
- resin lens
- methanol
- optical resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Detergent Compositions (AREA)
Abstract
A method for preparing an optical resin lens mold cleaning agent, which comprises the following steps: weighing the following raw materials: 20-30wt% of alcohol ether solvent, 5-10wt% of nonionic surfactant, 5-10wt% of dibasic ester, 10-18wt% of dimethyl carbonate, 15-30wt% of methanol, 0.2-1wt% of sodium acetate and the balance of water; mixing and stirring methanol, dimethyl carbonate, dibasic ester, sodium acetate and water until completely dissolved; adding alcohol ether solvent, adding pH regulator to regulate pH value to 8-9 to obtain the cleaning agent for optical resin lens mould. The cleaning agent has high cleaning cleanliness and does not leave marks after cleaning; is alkalescent, and the surface of the molding die is bright and has no damage after being cleaned; the aqueous solution can be used for multiple times, is not denatured due to long standing time, and has little environmental pollution.
Description
Technical Field
The application belongs to the technical field of preparation of cleaning agents, and particularly relates to a preparation method of a cleaning agent for optical resin lens molds of different types.
Background
Resin the resin at the edge of the lens adheres to the mold during the molding process, and therefore the lens mold needs to be continuously cleaned to remove the residue. The cleaning process is particularly difficult due to the strong bonding forces between the polymer molecules. Currently, the resin lens mold cleaning agent existing in the market has the following defects in cleaning:
1. the cleaning is not clean, spots or aerosol still remain after the cleaning, and the best cleaning effect cannot be achieved;
2. the cleaning agent usually adopts high-temperature heavy alkali to increase a large amount of organic solvent methylene dichloride, and is matched with an ultrasonic cleaning process, so that strong alkali has great corrosion effect on human bodies and equipment, damages can be caused to lenses and molds, and the lenses and the molds are neutralized by a treatment tank and then discharged, so that the neutralization treatment is difficult, the production cost is high, and the problem of environmental pollution is correspondingly caused; the organic solvent has the problems of high toxicity, inflammability, easy volatilization, air pollution, ozone damage and the like;
3. high cost and high price.
Disclosure of Invention
In order to overcome the defects of the existing optical resin lens mold cleaning agent in the market, the application provides a preparation method of the optical resin lens mold cleaning agent, and the cleaning agent prepared by the method has high cleaning cleanliness and does not leave marks after cleaning; is alkalescent, and the surface of the molding die is bright and has no damage after being cleaned; the aqueous solution can be used for multiple times, is not denatured due to long standing time, and has little environmental pollution.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a method for preparing an optical resin lens mold cleaning agent, which comprises the following steps:
I. weighing the following raw materials in parts by weight:
mixing and stirring methanol, dimethyl carbonate, dibasic ester, sodium acetate and water until completely dissolved;
and III, adding an alcohol ether solvent into the solution prepared in the step II, and adding a pH regulator to regulate the pH value to 8-9, thus obtaining the cleaning agent for the optical resin lens mould.
The preparation method as described above, preferably, the cleaning agent comprises the following components:
the preparation method as described above, preferably, the cleaning agent comprises the following components:
the preparation method as described above, preferably, the alcohol ether solvent is selected from one or more of the following: triethylene glycol diethyl ether, cyclohexanediol monomethyl ether, propylene glycol methyl ether, propylene glycol diethyl ether, propylene glycol butyl ether, diethylene glycol monobutyl ether, triethylene glycol butyl ether and dipropylene glycol dimethyl ether.
The preparation method as described above, preferably, the nonionic surfactant is selected from one or more of the following: dodecyl polyoxyethylene ether, nonylphenol polyoxyethylene ether NP-4, nonylphenol polyoxyethylene ether NP-9, nonylphenol polyoxyethylene ether NP-10, alkyl glycoside APG-1218, alkyl glycoside APG-0814, alkyl glycoside APG-0816, alkyl glycoside APG-0810, alkyl glycoside APG-1214 and alkyl glycoside APG-1216.
The preparation method as described above, preferably, the pH adjustor is sodium hydroxide solution with a concentration of 8-15 wt%.
The optical resin lens mold cleaning agent of the application comprises: alcohol ether solvent, nonionic surfactant, dibasic ester, dimethyl carbonate, methanol, sodium acetate and water. Wherein, the alcohol ether solvent and the dibasic ester are dissolved in water, have good solubility to the residual resin in the mould, such as polychloroethyl resin, acrylic resin, polyester resin, alkyd resin, epoxy resin and the like, and can quickly dissolve the resin residue.
Dimethyl carbonate (CH 3O-CO-OCH 3) has excellent solubility to acrylic resin, alkyd resin, epoxy resin and the like, has low toxicity, is insoluble and water-soluble, is dissolved in methanol, and has larger surface tension.
Methanol plays a role in helping dissolution.
The nonionic surfactant has emulsifying, washing, dispersing and foaming effects and has strong capability of removing oily dirt.
The application discovers that a small amount of sodium acetate component is added into the cleaning agent, so that the surface tension of the cleaning agent can be obviously reduced, the wetting and penetrating actions of the cleaning agent are increased, and the cleaning force is improved; meanwhile, the foam performance is obviously improved, and the rinsing is convenient; and has the function of alkaline buffer, softens hard water, prevents the hydrolysis of the surfactant, enables dirt to be stably suspended in the cleaning agent, and prevents the redeposition of the dirt.
The components are mutually matched and synergistically increased, so that the cleaning agent has excellent detergency and rinsing performance.
The application has the beneficial effects that:
1. the cleaning agent prepared by the method can rapidly remove dirt such as resin, adhesive, oil stain and the like adhered on the surface of the resin lens forming die, and the surface of the forming die after cleaning is clean, glossy, free of speckles and free of damage.
2. The aqueous solution of the cleaning agent can be repeatedly used for many times, has good stability and can not be denatured due to longer standing time.
3. The preparation process does not need a complex reaction vessel, the operation is simple, a complex post-treatment device is not needed during the waste liquid treatment, the use cost is low, and the economy is good.
4. The main component of the cleaning agent is low in toxicity or nontoxic, does not contain carcinogens such as tetrahydrofuran, has less harm to human bodies or environment, and is more environment-friendly.
Detailed Description
Example 1:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 170g of methanol, 200g of triethylene glycol diethyl ether and 5g of sodium acetate are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 2:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 120g of dimethyl carbonate, 175g of methanol, 250g of triethylene glycol diethyl ether and 3.2g of sodium acetate are sequentially added into 400g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 3:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 180g of methanol, 210g of triethylene glycol diethyl ether and 4g of sodium acetate are sequentially added into 380g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 4:
70g of nonylphenol polyoxyethylene ether NP-4, 75g of dibasic ester, 145g of dimethyl carbonate, 175g of methanol, 220g of cyclohexanediol monomethyl ether and 5.5g of sodium acetate are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is added dropwise, the pH value is regulated to 8.5, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 5:
70g of nonylphenol polyoxyethylene ether NP-9, 75g of dibasic ester, 160g of dimethyl carbonate, 180g of methanol, 240g of propylene glycol methyl ether and 6g of sodium acetate are sequentially added into 300g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 6:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 170g of dimethyl carbonate, 200g of methanol, 230g of triethylene glycol diethyl ether and 8g of sodium acetate are sequentially added into 280g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Comparative example 1:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 170g of methanol and 200g of triethylene glycol diethyl ether are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Comparative example 2:
70g of dodecyl polyoxyethylene ether (nonionic surfactant), 80g of fatty alcohol ether phosphate MOA-3 (anionic surfactant), 40g of 10% sodium hydroxide solution, 130g of dimethyl carbonate and 170g of methanol are sequentially added into 350g of ultrapure water, and the mixture is stirred uniformly to obtain the cleaning agent.
Comparative example 3:
400g of tetrahydrofuran, 80g of dibasic ester, 180g of dimethyl carbonate and 230g of methanol are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is added dropwise, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so as to obtain the cleaning agent.
Example 7:
cleaning effects were measured for the cleaning agents prepared in examples 1 to 6 and comparative examples 1 to 2, respectively.
Detection of (one) surface tension
The method comprises the following steps of selecting a CL-3 type automatic tension tester produced by Zigbulomb analytical instrument limited company, and detecting according to QB/T1323-91 industry standard: the ring is brought into contact with the surface of the liquid to be measured in the measuring cup and the liquid film is pulled up, and the maximum force required to disengage the ring from this surface is measured, acting perpendicularly to the ring. The cleaning agents prepared in examples 1 to 6 and comparative examples 1 to 2 were subjected to surface tension property test, respectively, as shown in Table 1.
(II) detection of foam Properties
1. Test of defoaming Performance: pouring 15mL of cleaning agent into a 100mL measuring cylinder, oscillating up and down for a plurality of times to enable the height of foaming liquid to reach 75mL, starting a stopwatch until the foam disappears to 30mL, stopping, repeating the experiment for three times to obtain an average value, wherein the shorter the time is, the better the defoaming performance is. Details are shown in Table 1.
2. Testing of foam inhibition properties: at room temperature, 100mL of cleaning agent is added into a 1L measuring cylinder, a thin tube is used for blowing air into the cleaning agent, the time for foam to reach 300mL of scale is recorded, the longer the time is, the better the foam inhibition performance is, the experiment is repeated for three times, and the average value is taken. Details are shown in Table 1.
(III) detection of detergency
The detection step comprises: placing the prepared glass die sample in a blast drying oven at 38-42 ℃ for 30 minutes, cooling, placing the cooled glass die sample on an electronic balance for weighing to m0, placing the weighed die sample on a clean filter paper sheet, uniformly smearing CR39 monomer containing an initiator on a specified position on the inner side of the glass die, placing the glass die sample in the blast drying oven for drying for 1 hour, cooling, and placing the glass die sample on the electronic balance for weighing to m1; pouring 250ml of glass mold cleaning agent into a clean 500ml beaker, putting a rotor with proper size, putting the device on a magnetic stirrer, adjusting the temperature of the magnetic stirrer to control the temperature of the cleaning agent to be 53-57 ℃, lightly putting the mold into the cleaning agent, standing for 2 minutes, immediately opening a stirring switch on the magnetic stirrer, and adjusting the voltage so as to uniformly rotate for 3 minutes. And (3) after the cleaning of the sample, slightly taking out the die sample, putting the die sample into distilled water at 53-57 ℃ for cleaning for 30 seconds, taking out the sample, putting the sample into a blast drying box at 38-42 ℃, drying for 2 hours, cooling, and putting the sample on an electronic balance for weighing to m2. The cleaning force= (m 2-m 1)/(m 1-m 0), and the detection results were recorded after calculation as shown in table 1.
(IV) detection of rinsing Performance
The detection step comprises: putting a beaker into a constant-temperature water bath, adding 400ml of a mold cleaning agent, setting the temperature of the cleaning agent to be 53-57 ℃, putting a prepared glass mold sample into the beaker, standing for 5 minutes, vertically hanging the glass mold sample on a fixing frame, and putting the fixing frame into a 38-42 ℃ blast drying box for drying for 1 hour. Finally, placing the mold sample in 300m1 distilled water with the temperature of 53-57 ℃ for 10 times, simply swinging for not more than 10 seconds, drying by a blower, observing the rinsing property of the surface of the mold sample, observing the light facing of the glass mold by naked eyes, observing the glass mold to be free of water marks, ensuring the whole body to be transparent and bright, and judging that residues are not present if local tiny water marks appear, and the like. The results are detailed in Table 1.
Table 1 table for detecting sample washing effect
Table 1 results illustrate:
1. the addition of a small amount of sodium acetate (example 1) significantly reduced the surface tension of the cleaning agent compared to comparative example 1, while the cleaning agent having a lower surface tension had a stronger wetting penetration.
2. The detergent containing a small amount of sodium acetate (example 1) has higher defoaming and foam suppressing properties, and can improve foam properties, and its use and rinsing properties are also improved correspondingly, as compared with comparative example 1.
3. The cleaning agent of the present application has lower surface tension, significantly improved foaming properties and better cleaning and rinsing properties than the existing cleaning agent products (comparative example 2, comparative example 3).
Claims (6)
1. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 170g of methanol, 200g of triethylene glycol diethyl ether and 5g of sodium acetate are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
2. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 120g of dimethyl carbonate, 175g of methanol, 250g of triethylene glycol diethyl ether and 3.2g of sodium acetate are sequentially added into 400g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
3. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 180g of methanol, 210g of triethylene glycol diethyl ether and 4g of sodium acetate are sequentially added into 380g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
4. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of nonylphenol polyoxyethylene ether NP-4, 75g of dibasic ester, 145g of dimethyl carbonate, 175g of methanol, 220g of cyclohexanediol monomethyl ether and 5.5g of sodium acetate are sequentially added into 350g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is added dropwise, the pH value is regulated to 8.5, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
5. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of nonylphenol polyoxyethylene ether NP-9, 75g of dibasic ester, 160g of dimethyl carbonate, 180g of methanol, 240g of propylene glycol methyl ether and 6g of sodium acetate are sequentially added into 300g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
6. The preparation method of the optical resin lens mold cleaning agent is characterized by comprising the following steps of: 70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 170g of dimethyl carbonate, 200g of methanol, 230g of triethylene glycol diethyl ether and 8g of sodium acetate are sequentially added into 280g of ultrapure water, after uniform stirring, 12% sodium hydroxide solution is dropwise added, the pH value is regulated to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111606182.3A CN114276873B (en) | 2021-12-24 | 2021-12-24 | Preparation method of optical resin lens mold cleaning agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111606182.3A CN114276873B (en) | 2021-12-24 | 2021-12-24 | Preparation method of optical resin lens mold cleaning agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114276873A CN114276873A (en) | 2022-04-05 |
| CN114276873B true CN114276873B (en) | 2023-08-29 |
Family
ID=80875598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111606182.3A Active CN114276873B (en) | 2021-12-24 | 2021-12-24 | Preparation method of optical resin lens mold cleaning agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114276873B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114874858B (en) * | 2022-06-14 | 2023-09-12 | 惠州市飞世尔实业有限公司 | Microemulsion liquid crystal cleaning agent, preparation method and cleaning process thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259993A (en) * | 1992-01-21 | 1993-11-09 | Cook Composites And Polymers Co. | Aqueous cleaner |
| WO1998053016A1 (en) * | 1997-05-23 | 1998-11-26 | Huntsman Petrochemical Corporation | Paint and coating remover |
| WO2002099024A1 (en) * | 2001-06-01 | 2002-12-12 | Kay Chemical, Inc. | All-purpose, super-concentrated liquid detergent composition |
| JP2004189944A (en) * | 2002-12-12 | 2004-07-08 | Mitsubishi Rayon Co Ltd | Detergent for removing resin like stain and cleaning method |
| CN105062706A (en) * | 2015-08-14 | 2015-11-18 | 上海奈拓化工科技有限公司 | High-precision ultrasonic cleaning agent for glass mould used in resin optical lens mold closing |
| CN107118875A (en) * | 2017-06-05 | 2017-09-01 | 上海师范大学 | It is a kind of for cleaning agent of optical resin lens mould and preparation method thereof |
| CN108503740A (en) * | 2017-02-23 | 2018-09-07 | 江苏视科新材料股份有限公司 | A kind of anti-blue light resin monomer, resin material, eyeglass and preparation method thereof |
| CN108949381A (en) * | 2018-09-08 | 2018-12-07 | 佛山市森昂生物科技有限公司 | A kind of medical instrument multienzyme cleaning agent |
| CN110257189A (en) * | 2019-07-01 | 2019-09-20 | 张娟娟 | A kind of industrial greasy dirt detergent and preparation method thereof again |
| CN112662489A (en) * | 2020-12-15 | 2021-04-16 | 广东红日星实业有限公司 | Resin lens cleaning agent and preparation method thereof |
-
2021
- 2021-12-24 CN CN202111606182.3A patent/CN114276873B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259993A (en) * | 1992-01-21 | 1993-11-09 | Cook Composites And Polymers Co. | Aqueous cleaner |
| WO1998053016A1 (en) * | 1997-05-23 | 1998-11-26 | Huntsman Petrochemical Corporation | Paint and coating remover |
| WO2002099024A1 (en) * | 2001-06-01 | 2002-12-12 | Kay Chemical, Inc. | All-purpose, super-concentrated liquid detergent composition |
| JP2004189944A (en) * | 2002-12-12 | 2004-07-08 | Mitsubishi Rayon Co Ltd | Detergent for removing resin like stain and cleaning method |
| CN105062706A (en) * | 2015-08-14 | 2015-11-18 | 上海奈拓化工科技有限公司 | High-precision ultrasonic cleaning agent for glass mould used in resin optical lens mold closing |
| CN108503740A (en) * | 2017-02-23 | 2018-09-07 | 江苏视科新材料股份有限公司 | A kind of anti-blue light resin monomer, resin material, eyeglass and preparation method thereof |
| CN107118875A (en) * | 2017-06-05 | 2017-09-01 | 上海师范大学 | It is a kind of for cleaning agent of optical resin lens mould and preparation method thereof |
| CN108949381A (en) * | 2018-09-08 | 2018-12-07 | 佛山市森昂生物科技有限公司 | A kind of medical instrument multienzyme cleaning agent |
| CN110257189A (en) * | 2019-07-01 | 2019-09-20 | 张娟娟 | A kind of industrial greasy dirt detergent and preparation method thereof again |
| CN112662489A (en) * | 2020-12-15 | 2021-04-16 | 广东红日星实业有限公司 | Resin lens cleaning agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 制备一种对树脂具有高效清洗能力的溶液体系;叶光园等;广州化工;第49卷;第1-4页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114276873A (en) | 2022-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114276873B (en) | Preparation method of optical resin lens mold cleaning agent | |
| JP4467790B2 (en) | Highly alkaline composition containing hexyl glycoside as hydrotrope | |
| EP0367049B1 (en) | Use of partially esterified copolymers in liquid detergent compositions | |
| KR101142562B1 (en) | Cleaning agent composition | |
| EP1369434B1 (en) | Surfactants | |
| CA2406431C (en) | Alcohol alkoxylates used as low-foam, or foam-inhibiting surfactants | |
| US20060194154A1 (en) | Developer composition | |
| CN102449133A (en) | Liquid detergent composition | |
| CN107418771B (en) | Stripping type water-based optical glass cleaning agent | |
| CN114214125B (en) | Optical resin lens mold cleaning agent | |
| KR101502552B1 (en) | Detergent composition for plastic lens | |
| JPH04244094A (en) | Alkylmonoglucoside ether carboxylate and alkyl polyglucoside ether carboxylate | |
| CN109370797B (en) | Neutral cleaning agent for mobile phone cover plate glass | |
| JP4349858B2 (en) | Higher aliphatic alcohol alkylene oxide addition surfactants | |
| US5206443A (en) | Alkanediol bisacetals | |
| JPH09263792A (en) | Composition for cleaning resin stain and cleaning method therefor | |
| JP2000345191A (en) | Surfactant | |
| CN112458468B (en) | Spray cleaning agent and preparation method thereof | |
| EP1050576B1 (en) | Use of non-ionic surfactant with a low foaming power | |
| CN112481621A (en) | Metal cleaning agent and preparation method thereof | |
| CN114410386B (en) | Semi-aqueous composition for cleaning mold in resin lens production, preparation method and application | |
| CN111533898B (en) | Fatty alcohol polyoxybutylene ether polyglycerol ether and preparation method and application thereof | |
| CN112724050B (en) | Phosphorus-free alkali-resistant solubilizer and preparation and application thereof | |
| JP2020526603A (en) | Alkoxylated polycarboxylic acid amide | |
| JP4990074B2 (en) | Cleaning composition for plastic lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |